Illuminated coaster



FIG. 1 is a top perspective view of an illuminated coaster showing my new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an illuminated coaster, as shown and described. 